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Finding the Fourth Proportional to 53,810.60, 80,664.70 and 41,957.80

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Solution

The fourth proportional to 53,810.60, 80,664.70 and 41,957.80 is: 62,896.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,810.60 : 80,664.70 = 41,957.80 : x
  2. Step 2: Convert to fraction form
    53,810.60/80,664.70 = 41,957.80/x
  3. Step 3: Cross multiply
    53,810.60x = 80,664.70 × 41,957.80
  4. Step 4: Simplify right side
    53,810.60x = 3,384,513,349.66
  5. Step 5: Solve for x
    x = 3,384,513,349.66/53,810.60
  6. Step 6: Final answer
    x = 62,896.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.